{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382145",
    "entityType": "User",
    "nonce": "0xdc1cf47f8bf652ee3f62ff663b9318eae5b11bba7ec4d5bd5f47a7129877996b",
    "signature": "0xf613c89f1e5434b186e3b05a4303e16661d0cb731f6bfe19705e05b97afb711776e659cbfe696dea7fd8d1f189da3658c7437924ceda2d53ab00428ad88991b11c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}